Ticket #6324: build-ffmpeg.sh

#!/bin/sh

# directories
SOURCE="ffmpeg-3.3"
FAT="FFmpeg-iOS"

SCRATCH="scratch"
# must be an absolute path
THIN=`pwd`/"thin"

# absolute path to x264 library
#X264=`pwd`/fat-x264

#FDK_AAC=`pwd`/../fdk-aac-build-script-for-iOS/fdk-aac-ios

CONFIGURE_FLAGS="--enable-cross-compile --disable-debug --disable-programs \
                 --disable-doc --enable-pic"

#if [ "$X264" ]
#then
#       CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-gpl --enable-libx264"
#fi

#if [ "$FDK_AAC" ]
#then
#       CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-libfdk-aac"
#fi

# avresample
#CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-avresample"

#ARCHS="arm64 armv7 x86_64 i386"
ARCHS="arm64"

COMPILE="y"
LIPO="y"

DEPLOYMENT_TARGET="9.0"

if [ "$*" ]
then
        if [ "$*" = "lipo" ]
        then
                # skip compile
                COMPILE=
        else
                ARCHS="$*"
                if [ $# -eq 1 ]
                then
                        # skip lipo
                        LIPO=
                fi
        fi
fi

if [ "$COMPILE" ]
then
        if [ ! `which yasm` ]
        then
                echo 'Yasm not found'
                if [ ! `which brew` ]
                then
                        echo 'Homebrew not found. Trying to install...'
                        ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" \
                                || exit 1
                fi
                echo 'Trying to install Yasm...'
                brew install yasm || exit 1
        fi
        if [ ! `which gas-preprocessor.pl` ]
        then
                echo 'gas-preprocessor.pl not found. Trying to install...'
                (curl -L https://github.com/libav/gas-preprocessor/raw/master/gas-preprocessor.pl \
                        -o /usr/local/bin/gas-preprocessor.pl \
                        && chmod +x /usr/local/bin/gas-preprocessor.pl) \
                        || exit 1
        fi

        if [ ! -r $SOURCE ]
        then
                echo 'FFmpeg source not found. Trying to download...'
                curl http://www.ffmpeg.org/releases/$SOURCE.tar.bz2 | tar xj \
                        || exit 1
        fi

        CWD=`pwd`

        for ARCH in $ARCHS
        do
                echo "building $ARCH..."
                mkdir -p "$SCRATCH/$ARCH"
                cd "$SCRATCH/$ARCH"

                CFLAGS="-arch $ARCH"
                if [ "$ARCH" = "i386" -o "$ARCH" = "x86_64" ]
                then
                    PLATFORM="iPhoneSimulator"
                    CFLAGS="$CFLAGS -mios-simulator-version-min=$DEPLOYMENT_TARGET"
                else
                    PLATFORM="iPhoneOS"
                    CFLAGS="$CFLAGS -mios-version-min=$DEPLOYMENT_TARGET -fembed-bitcode"
                    if [ "$ARCH" = "arm64" ]
                    then
                        EXPORT="GASPP_FIX_XCODE5=1"
                    fi
                fi

                XCRUN_SDK=`echo $PLATFORM | tr '[:upper:]' '[:lower:]'`
                CC="xcrun -sdk $XCRUN_SDK clang"
                CXXFLAGS="$CFLAGS"
                LDFLAGS="$CFLAGS"
#               if [ "$X264" ]
#               then
#                       CFLAGS="$CFLAGS -I$X264/include"
#                       LDFLAGS="$LDFLAGS -L$X264/lib"
#               fi
#               if [ "$FDK_AAC" ]
#               then
#                       CFLAGS="$CFLAGS -I$FDK_AAC/include"
#                       LDFLAGS="$LDFLAGS -L$FDK_AAC/lib"
#               fi

                TMPDIR=${TMPDIR/%\/} $CWD/$SOURCE/configure \
                    --target-os=darwin \
                    --arch=$ARCH \
                    --cc="$CC" \
                    $CONFIGURE_FLAGS \
                    --extra-cflags="$CFLAGS" \
                    --extra-ldflags="$LDFLAGS" \
                    --prefix="$THIN/$ARCH" \
                    --disable-shared \
                    --enable-static \
                    --disable-everything \
                    --enable-decoder=hevc \
                    --enable-decoder=h264 \
                    --enable-decoder=mjpeg \
                    --enable-decoder=mpeg4 \
                    --enable-decoder=amrnb \
                    --enable-decoder=aac \
                    --enable-parser=hevc \
                    --enable-parser=h264 \
                    --enable-parser=mpegvideo \
                    --enable-parser=mjpeg \
                    --enable-network \
                    --enable-protocol=tcp \
                    --enable-demuxer=hevc \
                    --enable-demuxer=h264 \
                    --enable-demuxer=rtsp \
                    --enable-demuxer=mjpeg \
                    --disable-ffplay \
                    --disable-ffmpeg \
                    --disable-ffprobe \
                    --disable-avfilter \
                    --disable-avdevice \
                    --disable-ffserver \
                    --enable-cross-compile \
                || exit 1

                # Fixing RTSP issue on iOS9 compiled against iOS10
                sed -i -- 's/HAVE_CLOCK_GETTIME 1/HAVE_CLOCK_GETTIME 0/g' config.h

                make -j8 install $EXPORT || exit 1
                cd $CWD
        done
fi

if [ "$LIPO" ]
then
        echo "building fat binaries..."
        mkdir -p $FAT/lib
        set - $ARCHS
        CWD=`pwd`
        cd $THIN/$1/lib
        for LIB in *.a
        do
                cd $CWD
                echo lipo -create `find $THIN -name $LIB` -output $FAT/lib/$LIB 1>&2
                lipo -create `find $THIN -name $LIB` -output $FAT/lib/$LIB || exit 1
        done

        cd $CWD
        cp -rf $THIN/$1/include $FAT
fi

echo Done